Abstract: A lamp socket mounting and adjusting assembly for an outdoor lighting luminaire in which the lamp socket is secured to an adjustable socket mounting plate which is variably positionable with respect to a socket mounting bracket to vary both the focal point and the focal tilt axis of the lamp. Separate sets of indicia on the socket mounting bracket indicate both the focal axis tilt and the focal point selected for the lamp.

Abstract: A luminaire for an electric lamp in which the two parts of a bipartite housing having a double-hinge are connected together comprises according to the invention a stop by which the possibility of rotation around a shaft of the double hinge is restricted. In spite of an overlap of one part of the housing by the other part of the housing, the housing is opened and closed thereby in a quasi-single rotating movement.In a special embodiment means are present near the main point of rotation so as to space the two parts of the housing from each other upon opening same.

Abstract: A trunk lid lamp assembly comprising a housing having a first generally tubular part having open ends and a second generally tubular part having a closed end wall with interengaging means which provide a snap fit between said parts. The first part has an axially extending slot into which an offset portion of a bracket extends. The bracket has an L-shaped bayonet slot therein which is exposed to the interior of the first part whereby it may receive the lug of a lamp bulb and hold the bulb in position in the first part. The second part has a portion engaging the bracket to hold the bracket in position in the slot of the first part. The second part also has an axially extending opening in the end wall thereof adjacent the periphery thereof and a terminal extends into the opening and is frictionally held in position. The terminal has a first contact portion.

Abstract: A snap-fit strobe housing, including mating first and second housing sections with a first latching arrangement carried on the interior of an exterior wall of the first section and a second latching arrangement carried by the second section in position to engage the first latching arrangement to prohibit separation of the sections when such sections are pulled in a given plane generally parallel to the wall. The first latching arrangement is defined by a member extending from the interior of the wall with a portion of the member in overlapping relationship and interiorly of the second latching arrangement. The second latching arrangement engages and latches the overlapping portion whereby such second latching arrangement is retained in continuous engagement with the overlapping portion when the wall is pulled relative to the housing sections at an angle to the given plane.

Abstract: A snap-fit strobe housing, which resists manual disassembly, includes mating first and second housing sections with an interior surface of a wall of one section carrying a locking detent and a wall of the other section carrying a latching portion projecting in a manner and direction to engage the locking detent. Also included is structure extending from the locking wall in overlapping relationship to a surface of the latching portion facing away from that wall so as to engage and retain the latching portion in continuous engagement with the locking detent.

Abstract: A battery-operated lantern has two rows of single-cell batteries disposed end-to-end in its body, the two rows being side-by-side and parallel, and the body has a closure member with an insulated contact plate secured to it for engagement by the central electrode of the adjacent cell in one row and by the base of the adjacent battery in the other row, for connecting the batteries in one row in series with those in the other row. The electrical contacts at the other end of the casing are constituted by respective coil springs which serve also to press the batteries in the two rows towards the contact plate. The closure member has a spring-loaded catch which automatically secures the member as it is moved into a closed position on the body.

Abstract: Latch device for hinged luminaire door comprises a pair of spaced spring steel members attached at their upper ends to the luminaire housing. At their lower ends the spring members are formed with ledges for releasably holding the luminaire door in closed position. A latch bar interconnecting the spaced spring members at their lower ends is movable to disengage the spring members from the door to allow it to swing open.

Abstract: A lighting fixture adapted to be mounted on a ceiling by attachment to an outlet box in the ceiling. The fixture comprises a pan having an upwardly extending rim and a crossbar attached to the bottom of the outlet box in a position extending horizontally across the bottom of the box. The rim of the pan is adapted to be attached to at least one end of the crossbar for mounting the pan adjacent the ceiling.

Abstract: A lamp changing module for totally enclosing a lamp when the module is withdrawn from a support such as an illuminator cabinet, and permitting exposure of the lamp when properly installed and connected to the support. A potentially explosive lamp is thereby contained within the module when it is removed so that even if it explodes it will not harm nearby personnel. It also protects personnel from burn hazards associated with lamp changing.

Abstract: A lamp for use in subterranean galleries such as mines in which the cold-cathode discharge tube is received in a housing which, in turn, is removably mounted in a receptacle and is held in place by a ring clamping a flange of the housing against a flange of the receptacle. The housing may be provided with a translucent cover so that the housing can be removed and replaced as a unit. A reed switch on the receptacle cooperates with a magnet on the housing to deenergize the terminals of the housing upon its removal. The terminals of the discharge tube are embedded in an insulating potting mass within the housing.

Abstract: A portable light having a U-shaped body and an elongated reflector supported on the body providing a space for batteries between the reflector and the body. Two lamps are supported on the reflector providing a flood light and a lens is supported on the body over the reflector and the lamps. Two cup-shaped end caps are supported on the ends of the light and one end cap has a frusto-conical shaped reflector integrally attached to it, and a lens closes the end of the cap having the reflector in it, and a lamp is supported on the reflector under the lens providing a spot light.

Abstract: A ceiling mounted support structure for mounting light fixtures, louvers, and the like, including at least one support piece mounted or supported by at least one building ceiling support, the piece having an elongate slot therein in which an enlarged end of a flipper bar rotates. The flipper bar rotates upwardly to permit the fixture part to be supported to pass upwardly therepast and rotates downwardly to provide the in-place support for the fixture part.

Abstract: Device for readily removable attachment of globe and protective guard to lighting fixture. Threaded collar of fixture support has elongated spring member with central mounting loop and opposite ends formed with yieldable detent portions for separately engaging and removably holding luminaire globe and protective guard mounted in the threaded support collar.

Abstract: An overhead lighting fixture with the housing having an open bottom, a resilient hinge pivotally fastening a first side of the light transmitting panel to a first side of the housing adjacent the open bottom of the housing, and a latch assembly for detachably securing a second side of the light transmitting panel to a second side of the housing adjacent its open bottom. The second side of the housing is an elongated extruded side panel member having a light housing web portion and a latch web portion that lies in a plane approximately 90.degree. thereto. The latch member has a J-shaped configuration with a head, a body, and a foot. The head of the latch member has a circular lateral cross-section that is matingly received in a groove formed in the latch web portion. This structure permits the latch member to be pivoted laterally into and out of engagement with a lip extending along the length of the light transmitting panel that rests in the curved hook surface of the J-shaped latch member.

Abstract: A latch and hinge assembly for releasably securing the refractor panel of a luminaire on the luminaire housing at the open end thereof includes first and second pairs of spring loaded plunger rods mounted at non-intersecting ends of the frame of the refractor panel, each such pair of rods extending along a common axis parallel to the edge of the corresponding end of the frame. The rod ends which normally extend outwardly from the frame at opposite ends thereof are received in aligned apertures in corresponding walls of the luminaire housing to attach the refractor panel thereto. Manually operated tabs for retracting the plunger rods of the first rod pair extend from a first surface of the panel facing the interior of the housing while the tabs for retracting the plunger rods of the second rod pair extend from the opposite surface of the panel facing the exterior of the housing. The location of the manually operated retracting tabs prevents the release of two rods not of the same pair.

Abstract: A sealed beam lamp shock suppressing retainer ring grommet for quadruplicating lamp life.The dual shocking suppression takes place as a result of the ductile rubberlike material and the cantilever load effect of the lamp on the free end of the grommet.Additional features include weatherproof lamp electrodes, retainer ring and lamp grommet combined as one unit, external ease of changing the sealed beam lamps and a long retainer ring life.

Abstract: A housing for traffic signal lamps employs modular building block units with a minimum number of different components, which can be combined together to form a variety of configurations. A basic half section unit is used to form the individual lamp housings. This half section unit is in the form of a tray having an internal rib structure and an external rib on the front surface for stiffening, a pair of such units being joined together to form a container for a traffic lamp. An aperture is formed in the front wall of the container for passing the light from the lamp, there being a door wth a mating aperture formed therein removably latched to a hinge pin structure formed on the front wall of the container. This hinge pin structure and the latching mechanism on the door are arranged to permit either right or left hand opening of the door.

Abstract: A globe-mounting apparatus for explosion-proof lighting devices which provides an easier globe-mounting and dismounting operation, and which is furnished with a hinge which joins the lighting body and the globe members. Around the periphery of the opening of the lighting body is formed a circular body facing inside, to which is alternately provided a cut and a projection with a fastening bolt screwed to it. Clamps, which are shorter than the cuts furnished at the opening of the lighting body, are provided around the periphery of the globe holder which holds the globe.